Finding the Fourth Proportional to 143,554.91, 198,103.85 and 79,892.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,554.91 : 198,103.85 = 79,892.69 : x
2. Step 2: Convert to fraction form
   143,554.91/198,103.85 = 79,892.69/x
3. Step 3: Cross multiply
   143,554.91x = 198,103.85 × 79,892.69
4. Step 4: Simplify right side
   143,554.91x = 15,827,049,475.86
5. Step 5: Solve for x
   x = 15,827,049,475.86/143,554.91
6. Step 6: Final answer
   x = 110,250.84